Muhammad, 26, and Mahmoud, 23, were initially detained during an overnight raid on June 9, and were subsequently sentenced to six months of administrative detention -- an Israeli policy of internment without charge or trial based on undisclosed evidence.

The bill -- passing with 60 voting in favor and 49 against -- would see thousands of dunams of privately-owned Palestinian land seized and dozens of illegal Israeli outposts in the occupied West Bank retroactively legalized.

Israeli use of torture against Palestinian prisoners had dramatically increased the number of disabled prisoners, with many suffering from permanent disabilities due to injuries sustained during violent interrogations.

PPS said that Muhammad Ahmad al-Najjar, 32, a husband and father of two from the al-Fawwar refugee camp in the southern occupied West Bank district of Hebron, declared the boycott after being sentenced to a six month stay in Israeli prison without charge or trial.